General description 100% Brand New ball bearing kit made of high bearing steel, designed for improved performance in RC cars. This kit includes a variety of deep groove ball bearings that are widely used, economical, and standard, providing less friction for higher speeds and enhanced durability. Technical specifications Material: Steel Color: Silver Package Contents: 16 x Ball Bearing (5x8x2.5mm) 16 x Ball Bearing (8x12x3.5mm) 48 x Ball Bearing (5x11x4mm) Measurement allowed error: +/- 1-3 cm Compatibility and accessories Suitable for: TT01, TT-01, TT01D, TT01E, TT01R, DF02 1/10 RC Car Installation Easy installation and replacement.